1868673 has 16 divisors (see below), whose sum is σ = 2638080. Its totient is φ = 1174656.

The previous prime is 1868663. The next prime is 1868677. The reversal of 1868673 is 3768681.

It is not a de Polignac number, because 1868673 - 2⁵ = 1868641 is a prime.

It is an Ulam number.

It is a Curzon number.

1868673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1868677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861 + ... + 4317.

It is an arithmetic number, because the mean of its divisors is an integer number (164880).

2^1868673 is an apocalyptic number.

It is an amenable number.

1868673 is a deficient number, since it is larger than the sum of its proper divisors (769407).

1868673 is a wasteful number, since it uses less digits than its factorization.

1868673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 48384, while the sum is 39.

The square root of 1868673 is about 1366.9941477563. The cubic root of 1868673 is about 123.1717476468.

The spelling of 1868673 in words is "one million, eight hundred sixty-eight thousand, six hundred seventy-three".